You cool a hot piece of iron by dropping it in cool water. which statement incorrectly describes what is happening? a) after enough time, the final temperature of the water and iron will be the same
b) the amount of heat gained by the water equals the amount of heat lost by the iron
c) the temperature of the iron will decrease as the temperature of the water increases
d) the temperature change of the iron will depend on the latent heat of iron
Answers: 2
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Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch
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Cyclotrons are widely used in nuclear medicine for producing short-lived radioactive isotopes. these cyclotrons typically accelerate h- (the hydride ion, which has one proton and two electrons) to an energy of 5 mev to 20 mev. this ion has a mass very close to that of a proton because the electron mass is negligible—about 1 2000 of the proton’s mass. a typical magnetic field in such cyclotrons is 1.9 t. (a) what is the speed of a 5.0-mev h-? (b) if the h- has energy 5.0 mev and b = 1.9 t, what is the radius of this ion’s circular orbit?
Answers: 1
Physics, 23.06.2019 03:10, yasarhan2
You want to move a heavy box with mass 30.0 kg across a carpeted floor. you pull hard on one of the edges of the box at an angle 30∘ above the horizontal with a force of magnitude 240 n, causing the box to move horizontally. the force of friction between the moving box and the floor has magnitude 41.5 n . what is the box's acceleration just after it begins to move
Answers: 1
You cool a hot piece of iron by dropping it in cool water. which statement incorrectly describes wha...
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